crosshatch

John Bolster jb at NUCOMP.COM
Fri Dec 17 05:36:18 PST 2004


Thank you. The howto looks like it would be a great reference if translated.

I've made progress but am still having a problem. My layer includes this:
        CLASS
        COLOR 204 102 0
        SIZE 80
        SYMBOL "xhatch"
      END

The symbol is defined as this:
    SYMBOL
        NAME 'xhatch'
        TYPE vector
        FILLED true
        Type VECTOR
        Points
                3 0
                15 12
                15 15
                0 0
                3 0
                -1 -1
                0 12
                3 15
                0 15
                0 12
        END
    END

To show what I'm getting I've put screen shots in a Word document which is
attached. If there is another way I should show the list my results please
tell me. The upper picture is what I think the vector points define
(assuming the origin is top left, which isn't specified anywhere I could
find). The lower picture is how it looks when super enlarged so I can see
what's going on.

Any ideas why this isn't working how I expected the vectors to render?

Thanks again,
John

> -----Original Message-----
> From: Stephen Woodbridge [mailto:woodbri at swoodbridge.com]
> Sent: Thursday, December 16, 2004 7:07 PM
> To: John Bolster
> Cc: MAPSERVER-USERS at LISTS.UMN.EDU
> Subject: Re: [UMN_MAPSERVER-USERS] crosshatch
>
>
> This was posted a while back
>    http://www.mapmedia.de/dokumente/umn_signaturen_howto/
> While it is in German, I think you can probably get enough of an idea
> from the example to do what you want.
>
> I think someone was going to check into getting it translated to English
> and get permission to include it on the mapserver site.
>
> -Steve W.
>
> John Bolster wrote:
> > Hello,
> >
> > I've figured out how to fill polygons with a crosshatch by
> using a vector
> > symbol with points of 0 0 1 1 and this gives a nice diagonal
> line. But how
> > can I make the crosshatch line thicker so it is more bold? I
> can vary the
> > spacing with the size attribute in the class, but this doesn't
> change the
> > thickness of the crosshatch line itself.
> >
> > I've experimented with trying to make a filled vector symbol
> that's thicker
> > but I haven't been able to make one that lines up to form
> continuous hatch
> > lines. Anyone have any suggestions on how to do this?
> >
> > Thanks,
> >
> > John Bolster
> >
>
>
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